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近来我们采用钛镍记忆合金支架治疗前列腺增生症病人3例,效果满意。患者年龄67～79岁,病史2～10年。主要表现为急、慢性尿潴留,肝诊及B超检查诊为前列腺增生Ⅱ°2例,Ⅲ°1例。残余尿测定为66～706ml,平均386ml。其中合并高血压、冠状动脉供血不足、听力障碍2例,前间壁心肌梗塞1例。膀胱尿道造影检查示前列腺部尿道仅1～2mm,狭年长度为4～6mm。 1.治疗方法:钛镍记忆合金支架由北京有色金属研究总院与解放军251医院共同研制。支架上、下端直径分别为7mm、6mm,长50～60mm;相变温度为35～40℃。
Recently, we use titanium-nickel memory alloy stent treatment of benign prostatic hyperplasia patients in 3 cases, the effect is satisfactory. Patients aged 67 to 79 years old, history of 2 to 10 years. The main manifestations of acute and chronic urinary retention, liver biopsy and B-diagnosed benign prostatic hyperplasia Ⅱ ° 2 cases, Ⅲ ° 1 case. Residual urine measured 66 ~ 706ml, an average of 386ml. Including hypertension, coronary insufficiency, hearing impairment in 2 cases, anterior myocardial infarction in 1 case. Bladder urethral imaging showed prostate urethra only 1 ~ 2mm, narrow length of 4 ~ 6mm. 1. Treatment: titanium-nickel memory alloy stent by the Beijing Nonferrous Metal Research Institute and People’s Liberation Army 251 Hospital co-developed. The upper and lower ends of the stent are respectively 7 mm, 6 mm and 50-60 mm in length; the phase transition temperature is 35-40 ° C.